Welcome to DTC Codes!
Thanks for visiting the site today. This site will be your resource for all things related to automotive diagnostic trouble codes (DTCs). We will soon be adding powertrain trouble codes, body trouble codes, chassis trouble codes, and more. Everything trouble code related (DTC) will be put up here. Please keep checking back because we're always adding new content.
What is a DTC Code?
From model year 1996 on, vehicles manufactured for sale in North America are mandated by the government to be equipped with a diagnostic system called OBD-II, which stands for On-Board Diagnostics II. This diagnostic system monitors the operations of all engine management systems activity to ensure compliance with emission standards.The emissions of the vehicle are monitored constantly and when there is a malfunction in the OBD-II system, the Malfunction Indicator Light (MIL) on the instrument cluster illuminates to let the driver know that a fault has occured. An associated DTC or diagnostic trouble code is also stored in the vehicle's memory. The DTC Code(s) can then be read using a compatible scan tool. This web site lists the DTC Codes and descriptions.
Powertrain Codes P0000 - P0099
NOTICE: Retrieving DTC codes and using them in troubleshooting vehicle repairs is only one part of a proper diagnosis. Never replace parts based solely on the definition of the DTC code. It is important to always refer to a vehicle-specific service manual for detailed and specific diagnostic instructions. We are not responsible for any actions you take on any vehicles, nor the results, based on the information found on this site.